**4. Conclusions**

An experimental study was conducted to determine the influence of process parameters on hole geometry and kerf wall characteristics in laser beam drilling machining of CFRP composites. Based on this, the following conclusions can be made:


**Author Contributions:** Conceptualization, P.F.M.A. and M.M.B.; Methodology, P.F.M.A. and J.M.V.M.; Software, P.F.M.A. and J.M.V.M.; Validation, A.J.G.; Formal Analysis, P.F.M.A. and J.M.V.M.; Investigation, P.F.M.A.; Resources, M.M.B.; Data Curation, P.F.M.A. and J.M.V.M.; Writing-Original Draft Preparation, P.F.M.A.; Writing-Review & Editing, P.F.M.A. and A.J.G.; Visualization, P.F.M.A. and J.M.V.M.; Supervision, A.J.G.; Project Administration, M.M.B.; Funding Acquisition, M.M.B.

**Funding:** This work has received financial support from the Spanish Government (Project DPI2015-71448-RProject DPI2011-29019) and from the Andalusian Government (PAIDI).

**Acknowledgments:** P.F.M.A. and J.M.V.M. thank the laboratory of corrosion and protection (LABCYP) at the University of Cadiz for allowing access to its facilities, where the tests of this work have been carried out.

**Conflicts of Interest:** The authors declare no conflict of interest.

### **References**


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